Alphabet's soaring stock just pushed it above a $1 trillion market cap. Here are the 11 highest-valued public companies.

Antonio Villas-Boas/Business Insider Alphabet is the latest company to reach a $1 trillion valuation in public trading after closing at a record high Thursday. The record level adds a third tech company to the list of firms with four-comma valuations. The list of highest-valued firms remains tech-heavy, though oil behemoth Saudi Aramco maintains the world's highest market cap at $1.84 trillion. Here are the 11 highest-valued public companies in the world, ranked in ascending order. Visit the Bus...